GABASTAR 300 MG is a medication containing Gabapentin 300 mg as its active ingredient, primarily used to treat conditions like neuropathic pain and partial-onset seizures in adults and children. It is also utilized for the management of other off-label conditions such as anxiety disorders and insomnia. Gabapentin works by stabilizing electrical activity in the brain and influencing the way nerves transmit pain signals, making it effective in treating nerve-related pain and preventing seizure activity.